1. Russia's capital is Moscow.
2. Hungary's capital is is Budapest.
3. Czech Repubulic's capital is Prague.
4. Poland's capital is Warsaw.
5. Germany's capital is Berlin.
6. Bulgaria's capital is Sofia.
7. Yugoslavia's capital I Belgrade.
8. Albania's capital is Tirana.
9. Romania's capital is Bucharest.
D because it's the most revelant
A polis of ancient Greece was a "<span>a. politically independent unit that included a city and surrounding land" although it should be noted that it was not completely politically independent. </span>